Handlebar



FIG. 1 is a perspective view of a handlebar.

FIG. 2 is a front elevation view of the handlebar illustrated in FIG. 1.

FIG. 3 is a rear elevation view of the handlebar illustrated in FIG. 1.

FIG. 4 is an elevation view of the left side of the handlebar illustrated in FIG. 1.

FIG. 5 is an elevation view of the right side of the handlebar illustrated in FIG. 1.

FIG. 6 is a top plan view of the handlebar illustrated in FIG. 1; and,

FIG. 7 is a bottom plan view of the handlebar illustrated in FIG. 1.

The broken lines in the drawings illustrate portions of the handlebar that form no part of the claimed design. 

CLAIM The ornamental design for a handlebar, as shown and described. 